diff options
Diffstat (limited to 'arch/mips/pmc-sierra/yosemite/irq-handler.S')
| -rw-r--r-- | arch/mips/pmc-sierra/yosemite/irq-handler.S | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/arch/mips/pmc-sierra/yosemite/irq-handler.S b/arch/mips/pmc-sierra/yosemite/irq-handler.S deleted file mode 100644 index 33b9c40d4f5c..000000000000 --- a/arch/mips/pmc-sierra/yosemite/irq-handler.S +++ /dev/null | |||
| @@ -1,93 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2003, 04 PMC-Sierra Inc. | ||
| 3 | * Author: Manish Lachwani (lachwani@pmc-sierra.com | ||
| 4 | * Copyright 2004 Ralf Baechle (ralf@linux-mips.org) | ||
| 5 | * | ||
| 6 | * First-level interrupt router for the PMC-Sierra Titan board | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or modify it | ||
| 9 | * under the terms of the GNU General Public License as published by the | ||
| 10 | * Free Software Foundation; either version 2 of the License, or (at your | ||
| 11 | * option) any later version. | ||
| 12 | * | ||
| 13 | * Titan supports Hypertransport or PCI but not both. Hence, one interrupt | ||
| 14 | * line is shared between the PCI slot A and Hypertransport. This is the | ||
| 15 | * Processor INTB #0. | ||
| 16 | */ | ||
| 17 | |||
| 18 | #include <linux/config.h> | ||
| 19 | #include <asm/asm.h> | ||
| 20 | #include <asm/mipsregs.h> | ||
| 21 | #include <asm/addrspace.h> | ||
| 22 | #include <asm/regdef.h> | ||
| 23 | #include <asm/stackframe.h> | ||
| 24 | |||
| 25 | .align 5 | ||
| 26 | NESTED(titan_handle_int, PT_SIZE, sp) | ||
| 27 | SAVE_ALL | ||
| 28 | CLI | ||
| 29 | .set at | ||
| 30 | .set noreorder | ||
| 31 | la ra, ret_from_irq | ||
| 32 | mfc0 t0, CP0_CAUSE | ||
| 33 | mfc0 t2, CP0_STATUS | ||
| 34 | |||
| 35 | and t0, t2 | ||
| 36 | |||
| 37 | andi t2, t0, STATUSF_IP7 /* INTB5 hardware line */ | ||
| 38 | bnez t2, ll_timer_irq /* Timer */ | ||
| 39 | andi t1, t0, STATUSF_IP2 /* INTB0 hardware line */ | ||
| 40 | bnez t1, ll_pcia_irq /* 64-bit PCI */ | ||
| 41 | andi t2, t0, STATUSF_IP3 /* INTB1 hardware line */ | ||
| 42 | bnez t2, ll_pcib_irq /* second 64-bit PCI slot */ | ||
| 43 | andi t1, t0, STATUSF_IP4 /* INTB2 hardware line */ | ||
| 44 | bnez t1, ll_duart_irq /* UART */ | ||
| 45 | andi t2, t0, STATUSF_IP5 /* SMP inter-core interrupts */ | ||
| 46 | bnez t2, ll_smp_irq | ||
| 47 | andi t1, t0, STATUSF_IP6 | ||
| 48 | bnez t1, ll_ht_irq /* Hypertransport */ | ||
| 49 | |||
| 50 | move a0, sp | ||
| 51 | j do_extended_irq | ||
| 52 | END(titan_handle_int) | ||
| 53 | |||
| 54 | .set reorder | ||
| 55 | .align 5 | ||
| 56 | |||
| 57 | ll_pcia_irq: | ||
| 58 | li a0, 2 | ||
| 59 | move a1, sp | ||
| 60 | #ifdef CONFIG_HYPERTRANSPORT | ||
| 61 | j ll_ht_smp_irq_handler | ||
| 62 | #else | ||
| 63 | j do_IRQ | ||
| 64 | #endif | ||
| 65 | |||
| 66 | ll_pcib_irq: | ||
| 67 | li a0, 3 | ||
| 68 | move a1, sp | ||
| 69 | j do_IRQ | ||
| 70 | |||
| 71 | ll_duart_irq: | ||
| 72 | li a0, 4 | ||
| 73 | move a1, sp | ||
| 74 | j do_IRQ | ||
| 75 | |||
| 76 | ll_smp_irq: | ||
| 77 | li a0, 5 | ||
| 78 | move a1, sp | ||
| 79 | #ifdef CONFIG_SMP | ||
| 80 | j titan_mailbox_irq | ||
| 81 | #else | ||
| 82 | j do_IRQ | ||
| 83 | #endif | ||
| 84 | |||
| 85 | ll_ht_irq: | ||
| 86 | li a0, 6 | ||
| 87 | move a1, sp | ||
| 88 | j ll_ht_smp_irq_handler | ||
| 89 | |||
| 90 | ll_timer_irq: | ||
| 91 | li a0, 7 | ||
| 92 | move a1, sp | ||
| 93 | j do_IRQ | ||